CN213461383U - Noise reduction type end cover - Google Patents

Abstract

The utility model relates to the technical field of electric machine, a type of making an uproar end cover falls is disclosed, including end cover and shaft hole, the end cover comprises an annular slab and a bottom plate an organic whole, the shaft hole sets up in the bottom plate, the center pin in shaft hole and the center pin coincidence of bottom plate, the circular slot has been seted up to a side that the bottom plate is close to the annular slab, circular slot and shaft hole intercommunication, the center pin of circular slot and the center pin coincidence in shaft hole, a circumference caulking groove has been seted up in the circular slot inner wall, install the first sound cotton of inhaling in the circumference caulking groove, a plurality of louvre has been seted up on the bottom plate, louvre and circular slot intercommunication, it inserts in the jack to pass through the inserted block with the dust screen, then fix the dust screen on the bottom plate through the bolt, prevent debris such as dust from getting into the motor in, the dismantlement of the dust screen of also being convenient for wash.

Description

Noise reduction type end cover

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to type of making an uproar end cover falls.

Background

The end cover is a rear cover arranged behind the motor and other machine cases, the traditional motor end cover is made of cast iron and other metals, the end cover is composed of a bottom plate and an annular side plate which are of an integrated structure, heat dissipation holes are also formed in the bottom plate, the bottom plate is not closed, dust or other sundries can enter the motor, the service life of the motor is shortened, and a large amount of noise can be generated when the traditional motor works.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a type of making an uproar end cover falls for debris such as reduction dust get into the motor, and reduce the noise that the motor during operation produced.

In order to achieve the above object, the present invention provides the following technical solutions:

a noise reduction type end cover comprises an end cover and an axle hole, wherein the end cover is integrally formed by an annular plate and a bottom plate, the axle hole is arranged in the bottom plate, the central axis of the axle hole is superposed with the central axis of the bottom plate, a circular groove is formed in one side surface, close to the annular plate, of the bottom plate, the circular groove is communicated with the axle hole, the central axis of the circular groove is superposed with the central axis of the axle hole, a circumferential caulking groove is formed in the inner wall of the circular groove, first sound absorption cotton is installed in the circumferential caulking groove, a plurality of heat dissipation holes are formed in the bottom plate and communicated with the circular groove, a plurality of jacks are formed in the side surface of the bottom plate, plug blocks are inserted in the jacks, a sound insulation groove is formed in one side, close to the circular groove, second sound absorption cotton is installed in the sound insulation groove, and a dust screen is arranged on one side, the inserted blocks are fixedly connected with the dust screen.

The utility model discloses in, preferred, the louvre is the arc slotted hole, the louvre annular distributes, the arc length of louvre is along with the louvre with the increase of distance reduces between the shaft hole center pin.

The utility model discloses in, it is preferred, be provided with a plurality of strengthening rib on the bottom plate, the both sides of strengthening rib are provided with respectively the jack.

The utility model discloses in, preferred, the strengthening rib is followed circular slot center pin central symmetry sets up, the quantity of strengthening rib is four.

In the present invention, it is preferable that the inner wall of the shaft hole is coated with grease.

The utility model discloses in, it is preferred, fixedly connected with a plurality of fixed block on the dust screen, the fixed orifices has been seted up on the fixed block, the bottom plate is close to a plurality of screw hole has been seted up to a side of dust screen, the screw hole with will through the bolt between the fixed orifices the dust screen is fixed on the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in inserting the jack with the dust screen through the inserted block grafting, then fix the dust screen on the bottom plate through the bolt, prevent debris such as dust from getting into in the motor, the dismantlement of the dust screen of also being convenient for is washd, and when motor during operation, first sound cotton and second of inhaling inhale the sound cotton and absorb the noise to noise reduction.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a side view of the present invention.

In the drawings: 1. an end cap; 2. a shaft hole; 101. an annular plate; 110. a base plate; 111. a circular groove; 112. a jack; 113. a threaded hole; 3. a circumferential caulking groove; 301. a first sound absorbing cotton; 4. heat dissipation holes; 5. inserting a block; 501. a sound insulation groove; 502. the second sound-absorbing cotton; 6. a dust screen; 610. a fixed block; 611. a fixing hole; 7. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a noise reduction type end cap 1, which includes an end cap 1 and a shaft hole 2, wherein the end cap 1 is integrally formed by an annular plate 101 and a bottom plate 110, the shaft hole 2 is disposed in the bottom plate 110, a central axis of the shaft hole 2 coincides with a central axis of the bottom plate 110, a circular groove 111 is disposed on a side surface of the bottom plate 110 near the annular plate 101, a circumferential caulking groove 3 is disposed in an inner wall of the circular groove 111, the circular groove 111 is communicated with the shaft hole 2, the central axis of the circular groove 111 coincides with the central axis of the circular groove 2, a first sound-absorbing cotton 301 is disposed in the circumferential caulking groove 3, the first sound-absorbing cotton 301 absorbs noise generated when the motor rotates, so as to reduce the noise, a plurality of heat dissipation holes 4 are disposed on the bottom plate 110, the heat dissipation holes 4 are communicated with the circular groove 111, the heat dissipation holes 4 dissipate heat generated, there is the inserted block 5 in the jack 112, sound insulation groove 501 has been seted up to one side that the inserted block 5 is close to circular slot 111, install the second in the sound insulation groove 501 and inhale sound cotton 502, the second inhales sound cotton 502 the same with first sound cotton 301 of inhaling, the noise that produces when rotating the motor absorbs, the noise reduction, a plurality of sound cotton settings of inhaling, increase the volume of inhaling, one side that the annular plate 101 was kept away from to bottom plate 110 is provided with dust screen 6, inserted block 5 all with dust screen 6 fixed connection, dust screen 6 adsorbs the dust, prevent that the dust from getting into in the motor, influence motor life, shaft hole 2 inner wall scribbles lubricating grease, lubricating grease increases the lubrication between motor shaft and the shaft hole 2, make the motor at the during operation, reduce the friction between shaft and the shaft hole 2, the production of noise reduction.

In the present embodiment, referring to fig. 1 and 2, the heat dissipation holes 4 are arc-shaped slotted holes, the heat dissipation holes 4 are distributed annularly, and the arc length of the heat dissipation holes 4 decreases as the distance between the heat dissipation holes 4 and the central axis of the shaft hole 2 increases. The motor during operation, the motor can produce the heat, and the heat that is close to motor shaft department production is more, and consequently, the arc length that louvre 4 is close to shaft hole 2 department compares and keeps away from shaft hole 2 department is longer, and radiating volume is just more, and 4 settings that the arc length of louvre differs for bottom plate 110 is at motor job vibration time, and difficult fracture makes the life-span of apron longer.

In the present embodiment, referring to fig. 1 and 2, the bottom plate 110 is provided with a plurality of ribs 7, the ribs 7 increase the load received by the bottom plate 110, and insertion holes 112 are provided on both sides of the ribs 7. The reinforcing ribs 7 are arranged along the central axis of the circular groove 111 in a centrosymmetric manner, the number of the reinforcing ribs 7 is four, and the reinforcing ribs 7 are arranged in a centrosymmetric manner, so that the effect of the reinforcing ribs 7 on the bottom plate 110 is uniform.

In this embodiment, referring to fig. 2 and 3, a plurality of fixing blocks 610 are fixedly connected to the dust screen 6, fixing holes 611 are formed in the fixing blocks 610, a plurality of threaded holes 113 are formed in a side surface of the bottom plate 110 close to the dust screen 6, and the dust screen 6 is fixed to the bottom plate 110 between the threaded holes 113 and the fixing holes 611 through bolts, so that the dust screen 6 can be fixed to the bottom plate 110, and the dust screen 6 is simple to assemble and disassemble, convenient to clean, and capable of improving stability of the dust screen 6.

The working principle is as follows: insert the jack 112 with dust screen 6 through inserting 5 in, then fix dust screen 6 on bottom plate 110 through the bolt, prevent debris such as dust from getting into in the motor, when motor during operation, the first cotton 301 of inhaling with the second inhale the cotton 502 of inhaling the sound and absorb the noise to reduce the noise, louvre 4 gives off the heat that the motor during operation produced.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (6)

1. The utility model provides a type of making an uproar end cover falls, includes end cover (1) and shaft hole (2), end cover (1) comprises an annular plate (101) and a bottom plate (110) an organic whole, shaft hole (2) set up in bottom plate (110), the center pin of shaft hole (2) with the center pin coincidence of bottom plate (110), its characterized in that, a side that bottom plate (110) is close to annular plate (101) has seted up circular slot (111), circular slot (111) with shaft hole (2) intercommunication, the center pin of circular slot (111) with the center pin coincidence of shaft hole (2), a circumference caulking groove (3) has been seted up in circular slot (111) inner wall, install first sound absorption heat dissipation hole (301) in circumference caulking groove (3), a plurality of sound absorption heat dissipation hole (4) have been seted up on bottom plate (110), circle (4) with circular slot (111) intercommunication, a plurality of jack (112) have been seted up to bottom plate (110) side, it has inserted block (5) to peg graft in jack (112), inserted block (5) are close to sound insulation groove (501) have been seted up to one side of circular slot (111), install the second in sound insulation groove (501) and inhale sound cotton (502), bottom plate (110) are kept away from one side of annular slab (101) is provided with dust screen (6), inserted block (5) all with dust screen (6) fixed connection.

2. A noise-reducing end cap according to claim 1, wherein the heat dissipation holes (4) are arc-shaped slotted holes, the heat dissipation holes (4) are distributed annularly, and the arc lengths of the heat dissipation holes (4) decrease with the distance between the heat dissipation holes (4) and the central axis of the shaft hole (2).

3. A noise reduction end cap according to claim 1, wherein a plurality of reinforcing ribs (7) are arranged on the bottom plate (110), and the insertion holes (112) are respectively arranged on two sides of each reinforcing rib (7).

4. A noise-reducing end cap according to claim 3, wherein the reinforcing ribs (7) are arranged symmetrically along the center axis of the circular groove (111), and the number of the reinforcing ribs (7) is four.

5. A noise-reducing end cap according to claim 1, wherein the inner wall of the axial bore (2) is coated with grease.

6. The noise reduction end cover according to claim 1, wherein a plurality of fixing blocks (610) are fixedly connected to the dust screen (6), fixing holes (611) are formed in the fixing blocks (610), a plurality of threaded holes (113) are formed in one side surface of the bottom plate (110) close to the dust screen (6), and the dust screen (6) is fixed to the bottom plate (110) through bolts between the threaded holes (113) and the fixing holes (611).

Images